package org.csmzxy.class2333;
import com.sun.corba.se.pept.transport.ListenerThread;

public class Example08 {

    public static void add() {
        //创建一个字符串缓冲区
        StringBuffer s = new StringBuffer();
        s.append("itheima");
        s.insert(2, "cast");
        System.out.println(s);
    }

    public static void main(String[] args) {
        add();
    }
}
